Why are so many heat networks struggling today?

Because the shortcuts taken 10 years ago are finally catching up with everyone.

Why are so many heat networks struggling today?

We’re seeing it everywhere:

- Poor cable selection used for wired M-Bus
- HIUs installed over consumer units
- Zero commissioning
- Dangerously high DHW temperatures at taps
- Strainers never cleaned
- No documented handover, no balancing, no testing

All done to cut costs at the time.

But the price is being paid now.

You have offline meters, inaccurate billing, leaks, high return temperatures, and residents losing confidence in the entire system and industry.

The truth is simple in that a heat network is only as good as the quality of its original installation… and the ongoing care it receives.

Fixing the past means getting today right:
✔ Proper HIU servicing
✔ M-Bus cable testing
✔ Meter accuracy checks
✔ Continuous performance optimisation
✔ Evidence-based reporting and compliance


If your network is showing signs of historical shortcuts, don’t wait for failures to get worse.
Get in touch.

Monday - Friday 8am - 6pm

DR HIU Servicing Ltd, Huddersfield, West Yorkshire, HD8 0TX

Company number: 14297369